description HD 40307 d Overview
The outermost of the three originally detected super-Earths around HD 40307, announced in 2008, completing its orbit every 20.4 days with a minimum mass near 9.5 Earth masses.
insights Why this score
HD 40307 d ranks #189 of 269 in the Exoplanet ranking, behind 61 Virginis d, ahead of WASP-79b.
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How good is HD 40307 d?
HD 40307 d scores 5.98/10 (Mediocre) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 40307 d?
See our alternatives page for HD 40307 d for a ranked list with scores. Top alternatives include: HD 40307 c, HD 192310 b, HD 40307 e.
How does HD 40307 d compare to HD 40307 c?
See our detailed comparison of HD 40307 d vs HD 40307 c with scores, features, and an AI-powered verdict.
Is HD 40307 d worth it in 2026?
With a score of 5.98/10, HD 40307 d is a solid option in Exoplanet. See all Exoplanet ranked.
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